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26 Installing a stand-alone AEM
553-3201-200 Standard 1.0 April 1993
ST system with a QCA136 cabinet
Use this procedure to configure and connect the NT8D22 system monitor in
an AEM column that is connected to a Meridian SL-1 ST equipped with a
QCA136 cabinet. Refer to Figure 14 during this procedure.
Note: If you are not making alarm connections to the MDF, skip steps
3 through 6 and directly install connector P1 of the NT8D46AY cable
into connector J3 of the system monitor.
Procedure 4xxx
ST system with QCA136 cabinet connections
1
Loosen the two retaining screws on the system monitor in the pedestal
of the AEM column and remove it from the PDU.
2
Configure the system monitor as the master as shown in Table 5. (See
Circuit card installation and testing (553-3001-211) for a detailed
description of the option switch settings.)
Table 5xxx
NT8D22 switch settings (set as master) for operation with ST
Switch
1
SW1
on
SW2
on
SW3
on
* Set to off for ac power. Set to on for dc power.
3
Reinstall the system monitor in the PDU.
4
Install connector P1 of the NT8D46AY cable into connector J1 of the
NT8D46BF cable.
5
Install connector P1 of the NT8D46BF cable into connector J3 of the
system monitor.
6
Install connector J2 of the NT8D46BF cable into connector P1 of the
NT8D46BH cable.
7
Connect the other end of the NT8D46BH cable at the alarm termination
area on the MDF.
8
Power down the QCA136 cabinet.
2
3
4
off
*
off
on
on
on
on
on
on
5
6
7
on
on
on
on
on
on
8
on
on
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